Depression Subscale of the Hospital Anxiety and Depression Scale applied preoperatively in spinal surgery.

Objective: To evaluate the accuracy of the Depression Subscale of Hospital Anxiety and Depression Scale (HADS-D) in spine surgery, comparing it to Beck Depression Inventory (BDI).

Methods: In a cross-sectional study, the HADS-D and the BDI were applied to patients undergoing spine surgery for lumbar (n=139) or cervical spondylosis (n=17). Spearman correlation tests for HADS-D and BDI were applied.

Sleep disorders among undergraduate students in Southern Brazil.

Purpose: Sleep disorders are very common in the young, being a result of the typical lifestyle lived by young people or a sleep disease that requires assistance and treatment. Furthermore, according to previous findings, sleep alterations can favor the development of depressive mood disorder. This survey aimed to assess the prevalence and characteristics of sleep disorders in a young population sample and their association with depressive symptoms.